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| Model | K3 |
| Android | Android 4.4 |
| Dimension | 140 mm x 60.5 mm x 26.7mm |
| Material | ABS |
| Colour | Black |
| Weight | 187g |
| Platform | Spreadtrum 9820E |
| Memory | 512Gb+4Gb |
| IP Grade | IP54 |
| Frequency | GSM: 850/900/1800/1900 |
| WCDMA: 1/2/5/8 | |
| FDD EU version: 1/3/5/7/8 | |
| TDD EU version：38/39/40/41 | |
| FDD US version: 1/2/7/4 select 3 from 4 | |
| TDD US version: 5/12/13/17/28AB select 3 from 5 | |
| Antenna | FPC antenna |
| Display | 1.77 , resolution 128*160 |
| WIFI | Optional * |
| BT | Not support |
| GPS | GPS、Beidou、GLONASS |
| SD card | Not support |
| SIM card | Single Micro card（dual card optional） |
| MIC | Single |
| USB | mirco |
| Earphone | 3.5mm Dual hole universal earphone for radio（K type） |
| Flashlight | Support |
| Speaker | 8Ω 1W |
| Max output | Class 3 (23dBm±2dB) for LTE FDD |
| Class 3 (23dBm±2dB) for LTE TDD | |
| Class 3 (24dBm+1/-3dB) for WCDMA | |
| Class E2 (27dBm±3dB) for EDGE 850/900MHz | |
| Class E2 (26dBm±3dB) for EDGE 1800/1900MHz | |
| Class 4 (33dBm±2dB) for GSM 850/900MHz | |
| Class 1 (30dBm±2dB) for GSM 1800/1900MHz | |
| 4G network | 4G LTE FDD/TDD；LTE CAT4 |
| 3G network | 3G WCDMA（HSPA/UMTS） |
| 2G network | 2G -EGSM/GPRS |
| Working temperature | -10ºC - 55ºC |
| Storage temperature | -40ºC - 70ºC |
| Operating humidity | 10～95％ |
| Battery | 4000 mAh 3.7V Polymer lithium battery |
| Talk time | About 10 hours |
| Standby time | About 72 hours |
| Input voltage | AC，100～240 Volts |
| Frequency | 50〜60HZ |
| Output voltage/current | 5V/1.0A |
| Network | 2G/3G/4G |
| Language | Chinese English |
| Group call | Support |
| Temporary session function | Support |
| Channel session function | Voice control, channel member display, channel change notification, channel push to talk |
| Working Mode | Transparent mode, HTTP mode |
| Network Protocol | Support |
| Network Protocol | TCP/UDP/HTTP/DNS/FTP |
| Simple transparent mode | Support TCP Client /UDP Client |
| Domain Name System DNS | Support |
| HTTP protocol transmission | Support |
| Heartbeat packet | Support |
| FOTA update | Support |
| SIM card | Support SIM card 1.8 / 3.0V |
| * The built-in module supports WIFI and requires separate peripheral circuits and antennas. | |
